Perhaps you should try some spelling variations:
song trong » cong trong, dong trong, sang trong
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
nang hang » nang sang, hang hang, cang thang
trong dan » trong dang, trong san, trong tan
hang qua » hang quan, hang cua, hanh qua
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (hieu manh)) - nang hang qua song trong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - nang hang qua song trong dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - nang hang qua song trong dan than cap*.